Stamping tool, casting mold and methods for structuring a surface of a work piece

a technology of workpieces and stamping tools, which is applied in the direction of manufacturing tools, foundry patterns, foundry moulding apparatus, etc., can solve the problems of model-free oxidation, which is easy to carry out and cost-effective, and achieves the effect of simple and cost-effectiv

Inactive Publication Date: 2006-06-27
SHARP KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Benefits of technology

[0015]A primary object of the present invention is to provide a stamping tool, a casting mold, a method for manufacturing a stamping tool or a casting mold, a method for structuring a surface of a work piece and a method for using a surface layer provided with open hollow chambers, wherein structuring in the nanometer range is enabled in a simple and cost-effective manner.

Problems solved by technology

Second, model-free oxidation is very easy and cost-effective to carry out.

Method used

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  • Stamping tool, casting mold and methods for structuring a surface of a work piece
  • Stamping tool, casting mold and methods for structuring a surface of a work piece
  • Stamping tool, casting mold and methods for structuring a surface of a work piece

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first embodiment

[0061]Expressed in general terms, an essential aspect of the present invention is using a surface layer with hollow chambers formed by anodic oxidation as a bottom die or upper die, to enable surface structuring in the nanometer range.

second embodiment

[0062]Now, the present invention is discussed with reference to FIG. 2.

[0063]In a highly simplified partial sectional elevation, FIG. 2 shows a proposed casting mold 11 with an at least partially structured, thus profiled or relief-like inner face or molding face 12. The face 12 is formed by a top or flat side of a surface layer 13 that is provided with open hollow chambers 14 produced by anodic oxidation.

[0064]In the illustrative example, the surface layer 13 is applied to a support 15 of the casting mold 11. For example, the surface layer 13 is applied to the support 15 by plasma coating. However, the surface layer 13 can also be formed directly by the support 15, and thus can be a surface area of the support 15.

[0065]It is understood that the surface layer 13 can also be deposited on the support 15 using other methods.

[0066]In the illustrative example, the surface layer 13 preferably comprises aluminum, which is applied to the support 15 especially via plasma coating, and adheres...

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Abstract

A simple, cost-effective stamping or molding in the nanometer range is enabled using a stamping surface or molding face with a surface layer having hollow chambers that have been formed by anodic oxidation.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This application is a continuation-in-part of International Patent Application No. PCT / EP02 / 07240 filed Jul. 1, 2002, which designated the United States and of International Patent Application No. PCT / EP01 / 04650 Apr. 25, 2001 which designated the United States.BACKGROUND OF THE INVENTION[0002]1. Field of the Invention[0003]The present invention relates to a stamping tool having a structured stamping surface, a casting mold, a method for producing a stamping tool or a casting mold having a structured stamping surface, and methods for structuring a surface of a work piece.[0004]2. Description of Related Art[0005]Stamping constitutes a non-cutting manufacturing method for producing a relief-like or structured surface on a work piece. A stamping tool with a profiled or structured stamping surface is used for this. The stamping surface is pressed with such a stamping force onto the surface to be structured of the work piece or rolled on it, so...

Claims

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Application Information

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Patent Type & Authority Patents(United States)
IPC IPC(8): B22C3/00B22C9/06B22C9/22B29C59/02B30B15/06C25D1/10C25D11/02C25D11/04
CPCB22C9/061B22C9/22B29C59/022C25D1/10B30B15/065C25D11/02C25D11/04B29C2059/023B22C23/02
Inventor SAWITOWSKI, THOMAS
Owner SHARP KK
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